docs(README): update TODO list and use pretty tables for badges
docs(README): update TODO list and use pretty tables for badges

dsanders11/django-advanced-filters,PreppyLLC-opensource/django-advanced-filters,PreppyLLC-opensource/django-advanced-filters,dsanders11/django-advanced-filters,dsanders11/django-advanced-filters,modlinltd/django-advanced-filters,dsanders11/django-advanced-filters,modlinltd/django-advanced-filters,modlinltd/django-advanced-filters,PreppyLLC-opensource/django-advanced-filters